The use of bartering to trade goods, instead of money
Answer: Op-Ed : aims to persuade, expresses opinion, uses loaded language
News Article : aims to inform, uses neutral language, reports facts
Explanation:
"Raw materials were shipped from Africa to European industries"
delegates in Philadelphia to write a new constitution
They could pay slaveholders
As in other parts of Latin America under the system of coartación, slaves could purchase their freedom by negotiating with their master for a purchase price and this was the most common way for slaves to be freed